<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools style="margin-bottom: 30px;">
        <template v-slot:after>
          <el-button size="small" type="primary" @click="addPermission(1,'0')">添加权限</el-button>
        </template>
      </page-tools>

      <!-- 表格 -->
      <!-- 表格 -->
      <el-table border row-key="id" :data="list" :tree-props="{children: 'children', hasChildren: 'hasChildren'}">>
        <el-table-column align="center" label="名称" prop="name" />
        <el-table-column align="center" label="标识" prop="code" />
        <el-table-column align="center" label="描述" prop="description" />
        <el-table-column align="center" label="操作">
          <template v-slot="{row}">
            <el-button v-if="row.type === 1" type="text" @click="addPermission(2,row.id)">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>

      </el-table>

    </div>
    <!--添加权限 弹层 -->
    <!-- 放置一个弹层 用来编辑新增节点 -->
    <el-dialog v-if="showDialog" :title="showTitle" :visible="showDialog" @close="btnCancel">
      <!-- 表单 -->
      <el-form ref="perForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="formData.name" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" style="width:90%" />
        </el-form-item>
        <el-form-item label="开启">
          <el-switch v-model="formData.enVisible" active-value="1" inactive-value="0"></el-switch>
        </el-form-item>
      </el-form>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" type="primary" @click="btnOK">确定</el-button>
          <el-button size="small" @click="btnCancel">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import { addPermission, delPermission, getPermissionDetail, getPermissionList, updatePermission } from '@/api/permission'
import { transListToTreeData } from '@/utils/index'
export default {
  name: 'Permission',
  components: {},
  props: {},
  data() {
    return {
      list: [],
      showDialog: false, // 弹层显示与否
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '1' // 开启
      },
      rules: {
        name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
        code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
      }
    }
  },
  computed: {
    showTitle() {
      return this.formData.id ? '编辑权限' : '新增权限'
    }
  },
  created() {
    this.getPermissionList()
  },
  mounted() {

  },
  methods: {
    // 弹出操作 根据type更改对应表单
    addPermission(type, pid) {
      this.formData.type = type
      this.formData.pid = pid
      this.showDialog = true
    },
    // 添加操作
    // 删除操作
    async delPermission(id) {
      this.$confirm('确认删除?', '提示', {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async action => {
        // 删除请求
        await delPermission(id)
        this.$message({
          message: '删除成功',
          type: 'success',
          showClose: true,
          duration: 3000
        })
        // 刷新列表
        this.getPermissionList()
      }).catch(() => {

      })
    },
    async btnOK() {
      try {
        await this.$refs.perForm.validate()
        if (this.formData.id) {
          await updatePermission(this.formData)
        } else {
          await addPermission(this.formData)
        }
        this.getPermissionList()
        // 重置表单为初始值
        this.formData = this.$options.data().formData
        // 关闭弹层
        this.showDialog = false
      } catch (error) {
        // this.$message.error('请好好搞啊!')
      }
    },
    btnCancel() {
      this.formData = this.$options.data().formData
      this.$refs.perForm.resetFields()
      this.showDialog = false
    },
    // 添加权限
    async getPermissionList() {
      const list = await getPermissionList()
      this.list = transListToTreeData(list, '0')
    },
    // 编辑权限
    async editPermission(id) {
      this.formData = await getPermissionDetail(id)
      this.showDialog = true
    }
  }
}
</script>

<style lang="scss" scoped>

</style>
